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Merge pull request #1753 from beiwei30/issue/1752 

doc for dapr/dapr#3546 #1752
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Ori Zohar 2021-09-08 15:38:18 -07:00 committed by GitHub
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daprdocs/content/en/developing-applications/building-blocks/service-invocation/howto-invoke-discover-services.md
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@ -111,6 +111,32 @@ curl http://localhost:3500/v1.0/invoke/cart/method/add -X DELETE
``` ```
Dapr puts any payload returned by the called service in the HTTP response's body. Dapr puts any payload returned by the called service in the HTTP response's body.
### Additional URL formats
In order to avoid changing URL paths as much as possible, Dapr provides the following ways to call the service invocation API:
1. Change the address in the URL to `localhost:<dapr-http-port>`.
2. Add a `dapr-app-id` header to specify the ID of the target service, or alternatively pass the ID via HTTP Basic Auth: `http://dapr-app-id:<service-id>@localhost:3500/path`.
For example, the following command
```bash
curl http://localhost:3500/v1.0/invoke/cart/method/add
```
is equivalent to:
```bash
curl -H 'dapr-app-id: cart' 'http://localhost:3500/add' -X POST
```
or:
```bash
curl 'http://dapr-app-id:cart@localhost:3500/add' -X POST
```
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